Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun impairment

5 senses of impairment

Sense 1
damage, harm, impairment -- (the occurrence of a change for the worse)
       => change, alteration, modification -- (an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago")

Sense 2
deterioration, impairment -- (a symptom of reduced quality or strength)
       => decay -- (an inferior state resulting from the process of decaying; "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair")

Sense 3
disability, disablement, handicap, impairment -- (the condition of being unable to perform as a consequence of physical or mental unfitness; "reading disability"; "hearing impairment")
       => unfitness, softness -- (poor physical condition; being out of shape or out of condition (as from a life of ease and luxury))

Sense 4
impairment -- (damage that results in a reduction of strength or quality)
       => damage, harm, hurt, scathe -- (the act of damaging something or someone)

Sense 5
stultification, constipation, impairment, deadening -- (the act of making something futile and useless (as by routine))
       => degradation, debasement -- (changing to a lower state (a less respected state))